Agronomy Journal Journal of Natural Resources and Life Sciences Education
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Published online 27 April 2005
Published in Agron J 97:674-683 (2005)
DOI: 10.2134/agronj2004.0059
© 2005 American Society of Agronomy
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Right arrow Root Growth
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Impact of Tillage and Banded Starter Fertilizer on Maize Root Growth in the Top 25 Centimeters of the Soil

Ruijun Qina,c, Peter Stampa,* and Walter Richnerb

a Inst. of Plant Sci., Swiss Fed. Inst. of Technol., Universitätstrasse 2, CH-8092 Zurich, Switzerland
b Swiss Fed. Res. Stn. for Agroecol. and Agric. (FAL), Reckenholzstrasse 191, CH-8046 Zurich, Switzerland
c Current address: Swiss Fed. Inst. for Forest, Snow, and Landscape Research (WSL), Zürcherstrasse III, CH-8903 Birmensdorf, Switzerland



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  		Fig. 1. Root length density at anthesis of maize as a function of soil depth and tillage system [no-tillage (NT) and conventional tillage (CT)] in Zollikofen and Schafisheim in 1997 and 1999. *, **, and *** indicate significance at P < 0.05, 0.01, and 0.001 probability levels, respectively; blank is not significant.

 


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  		Fig. 2. Root length density of maize at anthesis as a function of soil depth, tillage systems, and starter fertilizer banding in Zollikofen and Schafisheim in 1997 and 1999. Circles indicate side of plant row with fertilizer band, triangles indicate opposite side, filled symbols indicate no-tillage (NT), and open symbols indicate conventional tillage (CT); *, **, and *** indicate significance at the P < 0.05, 0.01, and 0.001 probability levels, respectively; blank is not significant.

 


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  		Fig. 3. Mean root diameter (MD) at anthesis of maize as a function of soil depth and tillage system [no-tillage (NT) and conventional tillage (CT)] in Zollikofen and Schafisheim in 1997 and 1999. *, **, and *** indicate significance at P < 0.05, 0.01, and 0.001 probability levels, respectively; blank is not significant.

 




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